Format/comment fixes
Clean up some logic around tag plugins
Add permalink to bottom bar, for easier post-item-reading opening
Most languages: Oh, I'll return an empty array, and foreach will just be a
no-op. PHP: Oh, I'll return a null value, and foreach will shit a brick.
Merge branch 'master' of https://github.com/thylacine/Feed-on-Feeds

Conflicts:
	fof-main.php
Fixes PHP error 

When adding a feed there is no result.
Warning: Invalid argument supplied for foreach() in /nfs/c08/h04/mnt/123433/domains/new.kurasie.com/html/fof-db.php on line 1559
Merge pull request #15 from iantearle/master

Fixes PHP error
Merge branch 'master' of https://github.com/plaidfluff/Feed-on-Feeds